20 POINTS!! Which function is a quadratic function? t(x) =(x-4)^2+3
q(x)=(2x+4)^3
r(x)=(-6x-4)^4+3(x+2)^2
s(x)=-(x-6)+3(x+1)

A t(x) =(x-4)^2+3

Step-by-step explanation:

A: t(x) =(x-4)^2+3 is a quadratic function because it's variables maintains within the quadratic formula which is, f ( x ) = ax^2 + bx + c

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